As far as Brady parodies go, Jan is the funniest one to impersonate. She is the one who says the famous line, Marcia, Marcia, Marcia. Often seen and the jealous and neglected middle child, Jan has been on her share of adventures. Embrace the emotional middle child in you and be Jan Brady this Halloween. The Women's Brady Bunch Jan Brady Costume is a great couples outfit because you are the fabulous Jan while your hubby is Peter! You guys will look so groovy in this fantastic couples costume!